1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at http://curl.haxx.se/docs/copyright.html.
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
22 #include "tool_setup.h"
24 #define ENABLE_CURLX_PRINTF
25 /* use our own printf() functions */
28 #include "tool_cfgable.h"
29 #include "tool_msgs.h"
31 #include "memdebug.h" /* keep this as LAST include */
33 #define WARN_PREFIX "Warning: "
34 #define WARN_TEXTWIDTH (79 - (int)strlen(WARN_PREFIX))
37 * Emit warning formatted message on configured 'errors' stream unless
38 * mute (--silent) was selected.
41 void warnf(struct OperationConfig *config, const char *fmt, ...)
47 char print_buffer[256];
50 len = vsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
55 fputs(WARN_PREFIX, config->errors);
57 if(len > (int)WARN_TEXTWIDTH) {
58 int cut = WARN_TEXTWIDTH-1;
60 while(!ISSPACE(ptr[cut]) && cut) {
64 /* not a single cutting position was found, just cut it at the
65 max text width then! */
66 cut = WARN_TEXTWIDTH-1;
68 (void)fwrite(ptr, cut + 1, 1, config->errors);
69 fputs("\n", config->errors);
70 ptr += cut+1; /* skip the space too */
74 fputs(ptr, config->errors);
82 * Emit help formatted message on given stream.
85 void helpf(FILE *errors, const char *fmt, ...)
90 fputs("curl: ", errors); /* prefix it */
91 vfprintf(errors, fmt, ap);
94 fprintf(errors, "curl: try 'curl --help' "
98 "for more information\n");